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Finding the Fourth Proportional to 225,517.59, 338,031.87 and 112,926.39

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Solution

The fourth proportional to 225,517.59, 338,031.87 and 112,926.39 is: 169,267.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,517.59 : 338,031.87 = 112,926.39 : x
  2. Step 2: Convert to fraction form
    225,517.59/338,031.87 = 112,926.39/x
  3. Step 3: Cross multiply
    225,517.59x = 338,031.87 × 112,926.39
  4. Step 4: Simplify right side
    225,517.59x = 38,172,718,784.05
  5. Step 5: Solve for x
    x = 38,172,718,784.05/225,517.59
  6. Step 6: Final answer
    x = 169,267.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.